package com.chen.controller;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.Controller;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

//注意我们这边先导入Controller接口
public class HelloController implements Controller {

    @Override
    public ModelAndView handleRequest(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse) throws Exception {
//      ModelAndView 模型与视图
        ModelAndView mv=new ModelAndView();
//      封装对象，放在ModelAndView中，model
        mv.addObject("msg","HelloSpringMVC!");
//        封装要跳转的视图，放在ModelAndView中
        mv.setViewName("hello");//:/WEB-INF/jsp/hello.jsp
        return mv;
    }
}
